步骤如下:
1.卸载旧版本的docker
yum remove docker
docker-client
docker-client-latest
docker-common
docker-latest
docker-latest-logrotate
docker-logrotate
docker-engin
2.添加仓库文件和docker官方提供的服务器(或阿里云服务器)
yum install -y yum-utils
yum-config-manager
–add-repo
https://download.docker.com/linux/centos/docker-ce.repo
此步骤推荐:添加阿里云的:
yum-config-manager
–add-repo
http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
3.安装docker
yum install docker-ce docker-ce-cli containerd.io
4.启动docker
systemctl start docker
5.试运行
docker run hello-world
全过程:
[root@docker ~]# yum install -y yum-utils
[root@docker ~]# yum-config-manager
> –add-repo
> http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
[root@docker ~]# yum install docker-ce docker-ce-cli containerd.io
[root@docker ~]# systemctl start docker
[root@docker ~]# docker run hello-world
试运行结果:
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